CHE REFERENCE LIBRARY - Pole Shift Survival Information

I’ROI’AGd 7’ZoiY IC 1’ HiiDDING AND GRAFTING 149
thrown over to the right, forcing the knife into the stub. This
is ii (‘aliforni;~n &+c. A very good grafting-knife for small
st\Icks or trer~s ill I~HW~,Y row is the Thomas
knife shotvn in Fig. 17 1. The larger arm is
made entirely of wood. At its upper end
is a grooved part, int.o which the blade
closes. This blade can 1x2 iiwde from a
steel case-knife, md it should be about 2-&
inches long. It is secured to an iron ha,ndle.
The tssent.ial feature of this implement is
thy (lril\v cut, which is obtained by setting
t 1W 1 dil&‘S a1~t2 the pivot in just the position
show11 ill the figure. The stock is cut
01-f by the shears, and the cleft is then
nlilde b>r turning the shears up and making
i1 vertical cut. TIw &ft, therefore, is cut
insteud of split, insuring a tight
fit of tlw c&ns. This tool is
said t 0 1~ specially useful on E
hard ilnd c*rooked grained stocks.
grafting-knife.
III cleft-grafting, the c&s must3 be thrust down
to the first bud, or even deeper, and it is imperative
that they fit tightly. The line of separation
between the bark and wood in the cion should
meet as nearly RS possible the similar line in the
stock. Tl le (ions 1’ a.re usually set a trifle obliquely,
the t,ops projecting outwards, to insure the contact
or crossing of the cambium layers. Writers
ofterl state that it is imperative to have the
FIG. 17%
Rooted grape exact. lines between the bark and wood meet for
cutting cleft- at least t,he greater part of their length, but this
grafted (x $).
is an error. The callus or connecting tissue
spreads beyond its former limits when the wounds begin to
heal. The most essential points are rather to be sure that